diff --git a/Dockerfile b/Dockerfile
index d928808..e18e50e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM git.sandbox.iuk.hdm-stuttgart.de/grosse/jupyterlab-datascience:4.0.12c
+FROM git.sandbox.iuk.hdm-stuttgart.de/grosse/jupyterlab-datascience:4.0.12b
 # debian:bullseye-20230109-slim
 ARG NB_USER="jovyan"
 ARG NB_UID="1000"